{
    "Function": "swap",
    "File": "contracts/adapters/exchanges/KyberSwapAdapter.sol",
    "Parent Contracts": [
        "contracts/adapters/BaseAdapter.sol",
        "contracts/interfaces/IBaseAdapter.sol"
    ],
    "High-Level Calls": [
        "IDMMFactory",
        "SafeERC20",
        "IERC20",
        "IDMMRouter02",
        "SafeERC20",
        "IERC20",
        "SafeMath"
    ],
    "Internal Calls": [
        "require(bool,string)"
    ],
    "Library Calls": [
        "sub",
        "safeApprove",
        "safeTransferFrom"
    ],
    "Low-Level Calls": [],
    "Code": "function swap(\n        uint256 amount,\n        uint256 expected,\n        address tokenIn,\n        address tokenOut,\n        address from,\n        address to\n    ) public override {\n        require(tokenIn != tokenOut, \"Tokens cannot match\");\n\n        if (from != address(this)) {\n            uint256 beforeBalance = IERC20(tokenIn).balanceOf(address(this));\n            IERC20(tokenIn).safeTransferFrom(from, address(this), amount);\n            uint256 afterBalance = IERC20(tokenIn).balanceOf(address(this));\n            amount = afterBalance.sub(beforeBalance); //In case of transfer fees reducing amount\n        }\n        // Set up pools path\n        address[] memory poolsPath = new address[](1);\n        poolsPath[0] = dmmFactory.getPools(IERC20(tokenIn), IERC20(tokenOut))[0];\n        // Set up tokens path\n        IERC20[] memory path = new IERC20[](2);\n        path[0] = IERC20(tokenIn);\n        path[1] = IERC20(tokenOut);\n        // Approve and swap\n        IERC20(tokenIn).safeApprove(address(dmmRouter), amount);\n        dmmRouter.swapExactTokensForTokensSupportingFeeOnTransferTokens(\n            amount,\n            expected,\n            poolsPath,\n            path,\n            to,\n            block.timestamp\n        );\n    }"
}